CVE-2025-26596

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Source
https://nvd.nist.gov/vuln/detail/CVE-2025-26596
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-26596.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-26596
Related
Published
2025-02-25T16:15:38Z
Modified
2025-04-10T22:47:57.791171Z
Downstream
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

A heap overflow flaw was found in X.Org and Xwayland. The computation of the length in XkbSizeKeySyms() differs from what is written in XkbWriteKeySyms(), which may lead to a heap-based buffer overflow.

References

Affected packages

Debian:11 / xorg-server

Package

Name
xorg-server
Purl
pkg:deb/debian/xorg-server?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:1.20.11-1+deb11u15

Affected versions

2:1.*

2:1.20.11-1
2:1.20.11-1+deb11u1
2:1.20.11-1+deb11u2
2:1.20.11-1+deb11u3
2:1.20.11-1+deb11u4
2:1.20.11-1+deb11u5
2:1.20.11-1+deb11u6
2:1.20.11-1+deb11u7
2:1.20.11-1+deb11u8
2:1.20.11-1+deb11u9
2:1.20.11-1+deb11u10
2:1.20.11-1+deb11u11
2:1.20.11-1+deb11u12
2:1.20.11-1+deb11u13
2:1.20.11-1+deb11u14

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / xorg-server

Package

Name
xorg-server
Purl
pkg:deb/debian/xorg-server?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:21.1.7-3+deb12u9

Affected versions

2:21.*

2:21.1.7-3
2:21.1.7-3+deb12u1
2:21.1.7-3+deb12u2
2:21.1.7-3+deb12u3
2:21.1.7-3+deb12u4
2:21.1.7-3+deb12u5
2:21.1.7-3+deb12u6
2:21.1.7-3+deb12u7
2:21.1.7-3+deb12u8

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / xorg-server

Package

Name
xorg-server
Purl
pkg:deb/debian/xorg-server?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:21.1.16-1

Affected versions

2:21.*

2:21.1.7-3
2:21.1.8-1
2:21.1.9-1
2:21.1.9-1+hurd.1
2:21.1.10-1
2:21.1.11-1
2:21.1.11-2
2:21.1.11-3
2:21.1.12-1
2:21.1.13-1
2:21.1.13-2
2:21.1.13-3
2:21.1.13-3.1
2:21.1.14-1
2:21.1.14-2
2:21.1.15-1
2:21.1.15-2
2:21.1.15-3

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / xwayland

Package

Name
xwayland
Purl
pkg:deb/debian/xwayland?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

2:22.*

2:22.1.9-1

2:23.*

2:23.1.0-1
2:23.1.1-1
2:23.2.0-1
2:23.2.1-1
2:23.2.2-1
2:23.2.3-1
2:23.2.4-1
2:23.2.6-1

2:24.*

2:24.0.99.901-1
2:24.1.0-1
2:24.1.2-1
2:24.1.3-1
2:24.1.4-1
2:24.1.4-2
2:24.1.4-3
2:24.1.5-1
2:24.1.6-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / xwayland

Package

Name
xwayland
Purl
pkg:deb/debian/xwayland?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:24.1.6-1

Affected versions

2:22.*

2:22.1.9-1

2:23.*

2:23.1.0-1
2:23.1.1-1
2:23.2.0-1
2:23.2.1-1
2:23.2.2-1
2:23.2.3-1
2:23.2.4-1
2:23.2.6-1

2:24.*

2:24.0.99.901-1
2:24.1.0-1
2:24.1.2-1
2:24.1.3-1
2:24.1.4-1
2:24.1.4-2
2:24.1.4-3
2:24.1.5-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}